1111021102000 has 40 divisors (see below), whose sum is σ = 2686449029472. Its totient is φ = 444408440000.

The previous prime is 1111021101989. The next prime is 1111021102039. The reversal of 1111021102000 is 2011201111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277753276 + ... + 277757275.

Almost surely, 2^{1111021102000} is an apocalyptic number.

1111021102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111021102000 is an abundant number, since it is smaller than the sum of its proper divisors (1575427927472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111021102000 is an equidigital number, since it uses as much as digits as its factorization.

1111021102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555510574 (or 555510558 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1111021102000 its reverse (2011201111), we get a palindrome (1113032303111).

The spelling of 1111021102000 in words is "one trillion, one hundred eleven billion, twenty-one million, one hundred two thousand".